The Human-Machine Boundary

question 67

Multiple Choice

The Human-Machine Boundary

• A)Is the keyboard and screen
• B)Builds on research in ergonometry
• C)Is a line drawn on the physical DFD to separate human action from automated processes
• D)Is a part of developing the HCI interface
• E)Separates where manual processes are separated by human completed processes

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Definitions:

Time Value

The concept that money available at the present time is worth more than the identical sum in the future due to its potential earning capacity.

Money

A medium of exchange that is widely accepted in transactions for goods and services and the repayment of debts.

Profitability Index

A financial tool used to determine the desirability of an investment or project, calculating the ratio of the present value of future cash flows to the initial investment cost.